#pragma once
 
#include <iostream>
#include <pthread.h>
 
class Mutex
{
public:
    Mutex(pthread_mutex_t *lock_p = nullptr)
        : lock_p_(lock_p)
    {
    }
    void lock()
    {
        if (lock_p_)
            pthread_mutex_lock(lock_p_);
    }
    void unlock()
    {
        if (lock_p_)
            pthread_mutex_unlock(lock_p_);
    }
    ~Mutex()
    {
    }
 
private:
    pthread_mutex_t *lock_p_;
};
 
class LockGuard
{
public:
    LockGuard(pthread_mutex_t *mutex)
        : mutex_(mutex)
    {
        mutex_.lock(); // 在构造函数中进行加锁
    }
    ~LockGuard()
    {
        mutex_.unlock(); // 在析构函数中进行解锁
    }
 
private:
    Mutex mutex_;
};